{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the impact of blockchain on the financial sector?","a":"Identity authentication and risk assessment: Blockchain technology can help financial institutions achieve  more accurate and faster identity authentication and risk assessment, reducing the occurrence of financial fraud and improving the security of the financial system."}]}],"pr":"a9b910a2c61eca9686585604196b47d68366475715741eaab2a29e300f56c4ae"}